Yosemite National Park, California

Regional Weather Alerts


     

Alert: Coastal Flood Advisory
Area(s): San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 1:00 am
Onset: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 5:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-12 @ 4:53 pm
Headline: Coastal Flood Advisory issued October 12 at 2:53PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA
Description: * WHAT...For the Coastal Flood Advisory, up to 1.4 ft of
inundation above ground level is possible in low-lying areas
near shorelines and tidal waterways. For the Beach Hazards
Statement, increased risk of rip currents and sneaker waves
expected with breaking waves up to 16 feet.

* WHERE...San Francisco, Northern Monterey Bay and Southern
Monterey Bay and Big Sur Coast Counties.

* WHEN...For the Coastal Flood Advisory, until 3 PM PDT Tuesday.
For the Beach Hazards Statement, until 10 PM PDT this evening.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. High tides will result in
flooding along coastal trails, cut off access to some low-
lying beaches and coastal areas, and bring water and waves
farther up the beach than typical. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.4 ft above normal (7.2 ft MLLW) at 1:14 PM
Tuesday 10/13. These predictions include up to 1.5 ft of surge
that will enhance the astronomical tide and flooding threat.
High tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

Alert: Coastal Flood Advisory
Area(s): San Francisco Bay Shoreline
Effective: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 1:00 am
Onset: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 5:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-12 @ 4:53 pm
Headline: Coastal Flood Advisory issued October 12 at 2:53PM PDT until October 13 at 3:00PM PDT by NWS San Francisco CA
Description: * WHAT...Up to 1.5 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along the San Francisco and
Monterey Bays.

* WHEN...Until 3 PM PDT Tuesday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. High tides will result in
flooding along coastal trails, cut off access to some low-
lying beaches and coastal areas, and bring water and waves
farther up the beach than typical.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.4 ft above normal (7.2 ft MLLW) at 1:14 PM
Tuesday 10/13. These predictions include up to 1.5 ft of surge
that will enhance the astronomical tide and flooding threat.
High tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

Alert: Coastal Flood Advisory
Area(s): North Bay Interior Valleys
Effective: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 1:00 am
Onset: 2026-10-12 @ 4:53 pm -> 2026-10-14 @ 6:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-12 @ 4:53 pm
Headline: Coastal Flood Advisory issued October 12 at 2:53PM PDT until October 14 at 4:00PM PDT by NWS San Francisco CA
Description: * WHAT...Up to 1.4 ft of inundation above ground level is
possible in low-lying areas near shorelines and tidal
waterways.

* WHERE...Bayshore locations along the San Pablo Bay.

* WHEN...Until 4 PM PDT Wednesday.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. High tides will result in
flooding along coastal trails, cut off access to some low-
lying beaches and coastal areas, and bring water and waves
farther up the beach than typical. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.4 ft above normal (7.2 ft MLLW) at 1:14 PM
Tuesday 10/13, and 1.0 ft above normal (6.8 ft MLLW) at 1:46 PM
Wednesday 10/14. These predictions include up to 1.5 ft of surge
that will enhance the astronomical tide and flooding threat.
High tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

Alert: Beach Hazards Statement
Area(s): Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast
Effective: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 12:00 am
Onset: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-12 @ 4:53 pm
Headline: Beach Hazards Statement issued October 12 at 2:53PM PDT until October 12 at 10:00PM PDT by NWS San Francisco CA
Description: * WHAT...Increased risk of rip currents and sneaker waves
expected with breaking waves up to 16 feet.

* WHERE...Coastal North Bay Including Point Reyes National
Seashore and San Francisco Peninsula Coast Counties.

* WHEN...Until 10 PM PDT this evening.

* IMPACTS...Dangerous conditions are forecast along the shoreline.
Hazards include sneaker waves, strong rip currents, and large
breaking waves.

Alert: Beach Hazards Statement
Area(s): San Francisco; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Effective: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 1:00 am
Onset: 2026-10-12 @ 4:53 pm -> 2026-10-13 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS San Francisco CA on 2026-10-12 @ 4:53 pm
Headline: Beach Hazards Statement issued October 12 at 2:53PM PDT until October 12 at 10:00PM PDT by NWS San Francisco CA
Description: * WHAT...For the Coastal Flood Advisory, up to 1.4 ft of
inundation above ground level is possible in low-lying areas
near shorelines and tidal waterways. For the Beach Hazards
Statement, increased risk of rip currents and sneaker waves
expected with breaking waves up to 16 feet.

* WHERE...San Francisco, Northern Monterey Bay and Southern
Monterey Bay and Big Sur Coast Counties.

* WHEN...For the Coastal Flood Advisory, until 3 PM PDT Tuesday.
For the Beach Hazards Statement, until 10 PM PDT this evening.

* IMPACTS...Flooding of lots, parks, and roads with only
isolated road closures expected. High tides will result in
flooding along coastal trails, cut off access to some low-
lying beaches and coastal areas, and bring water and waves
farther up the beach than typical. Dangerous conditions are
forecast along the shoreline. Hazards include sneaker waves,
strong rip currents, and large breaking waves.

* ADDITIONAL DETAILS...At the San Francisco tidal gauge, high tide
is expected to be 1.4 ft above normal (7.2 ft MLLW) at 1:14 PM
Tuesday 10/13. These predictions include up to 1.5 ft of surge
that will enhance the astronomical tide and flooding threat.
High tide varies up to 90 minutes earlier or later along the
Pacific Coast and through the San Francisco Bay, respectively.

Alert: Flood Advisory
Area(s): San Bernardino, CA; Clark, NV
Effective: 2026-10-12 @ 3:57 pm -> 2026-10-12 @ 5:45 pm
Onset: 2026-10-12 @ 3:57 pm -> 2026-10-12 @ 5:45 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Las Vegas NV on 2026-10-12 @ 3:57 pm
Headline: Flood Advisory issued October 12 at 1:57PM PDT until October 12 at 3:45PM PDT by NWS Las Vegas NV
Description: * WHAT...Flooding caused by excessive rainfall continues.

* WHERE...San Bernardino County in southern California...
Southern Clark County in southern Nevada...

* WHEN...Until 345 PM PDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.

* ADDITIONAL DETAILS...
- At 157 PM PDT, Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 0.75 and 1 inch of rain has
fallen.
- Some locations that will experience flooding include...
Mainly rural areas of San Bernardino and Southern Clark Counties.
- http://www.weather.gov/safety/flood

Alert: Coastal Flood Advisory
Area(s): Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 12:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Coastal Flood Advisory issued October 12 at 1:04PM PDT until October 12 at 10:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Beach Hazards Statement, dangerous rip currents
and elevated surf are expected. For the Coastal Flood
Advisory, minor to moderate coastal flooding can be expected
near times of high tide.

* WHERE...Santa Barbara County Southwestern Coast and Santa
Barbara County Southeastern Coast.

* WHEN...For the Coastal Flood Advisory, until 10 PM PDT this
evening. For the Beach Hazards Statement, through Tuesday
afternoon.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at low-lying beach and harbor areas that is
uncommon with normal tidal ranges. Enhanced beach erosion is
possible. The risk for significant damage is very low. There
is an increased risk of ocean drowning. Rip currents can pull
swimmers and surfers out to sea. Waves can wash people off
beaches and rocks, and capsize small boats nearshore. Large
secondary high tides are also expected each evening.

* ADDITIONAL DETAILS...High tides are expected to peak around 7.1
to 7.3 feet on Tuesday morning. A Beach Hazards Statement may be
issued on future shifts to follow the Coastal Flood Advisory due
to minor tidal overflow from continued elevated tides and surf
into at least Thursday.

Alert: Coastal Flood Advisory
Area(s): San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 12:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 12:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Coastal Flood Advisory issued October 12 at 1:04PM PDT until October 12 at 10:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Coastal Flood Advisory, minor to moderate
coastal flooding can be expected near times of high tide. For
the High Surf Advisory, large breaking waves of 8 to 12 feet
is expected with dangerous rip currents.

* WHERE...San Luis Obispo County Beaches and Santa Barbara
County Central Coast Beaches.

* WHEN...Until 10 PM PDT this evening.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at beach and harbor areas that is uncommon with
normal tidal ranges. Low lying areas will be most susceptible,
including Oceano. Enhanced beach erosion is likely. The risk for
significant damage is very low. There is an increased risk of
ocean drowning. Rip currents can pull swimmers and surfers out
to sea. Waves can wash people off beaches and rocks, and capsize
small boats nearshore. Large secondary high tides are also
expected each evening.

Alert: Coastal Flood Advisory
Area(s): Ventura County Beaches
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Coastal Flood Advisory issued October 12 at 1:04PM PDT until October 13 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Beach Hazards Statement, dangerous rip currents
and elevated surf are expected. For the Coastal Flood
Advisory, minor to moderate coastal flooding can be expected
near times of high tide.

* WHERE...Ventura County Beaches.

* WHEN...For the Coastal Flood Advisory, until 2 PM PDT Tuesday.
For the Beach Hazards Statement, through Tuesday afternoon.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at low-lying beach and harbor areas that is
uncommon with normal tidal ranges. Enhanced beach erosion is
possible. The risk for significant damage is very low. There
is an increased risk of ocean drowning. Rip currents can pull
swimmers and surfers out to sea. Waves can wash people off
beaches and rocks, and capsize small boats nearshore. Large
secondary high tides are also expected each evening.

* ADDITIONAL DETAILS...High tides are expected to peak around 7.1
to 7.3 feet on Tuesday morning.

Alert: Coastal Flood Advisory
Area(s): Catalina and Santa Barbara Islands
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Coastal Flood Advisory issued October 12 at 1:04PM PDT until October 13 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...Minor to moderate coastal flooding.

* WHERE...Catalina and Santa Barbara Islands.

* WHEN...Until 2 PM PDT Tuesday.

* IMPACTS...Moderate flooding of sea water is likely over some
vulnerable low-lying coastal areas, especially around the time
of high tide, including over beach parking lots, bike paths,
and harbor walkways. Moderate beach erosion is likely.
Isolated damage is unlikely but possible across the most
vulnerable locations.

* ADDITIONAL DETAILS...High tides of around 7.5 feet are expected
Tuesday morning. Large secondary high tides are also expected
each evening. A Beach Hazards Statement may be issued on future
shifts to follow the Coastal Flood Advisory due to minor tidal
overflow from continued elevated tides and surf into at least
Thursday.

Alert: Beach Hazards Statement
Area(s): Santa Barbara County Southwestern Coast; Santa Barbara County Southeastern Coast
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 4:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Beach Hazards Statement issued October 12 at 1:04PM PDT until October 13 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Beach Hazards Statement, dangerous rip currents
and elevated surf are expected. For the Coastal Flood
Advisory, minor to moderate coastal flooding can be expected
near times of high tide.

* WHERE...Santa Barbara County Southwestern Coast and Santa
Barbara County Southeastern Coast.

* WHEN...For the Coastal Flood Advisory, until 10 PM PDT this
evening. For the Beach Hazards Statement, through Tuesday
afternoon.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at low-lying beach and harbor areas that is
uncommon with normal tidal ranges. Enhanced beach erosion is
possible. The risk for significant damage is very low. There
is an increased risk of ocean drowning. Rip currents can pull
swimmers and surfers out to sea. Waves can wash people off
beaches and rocks, and capsize small boats nearshore. Large
secondary high tides are also expected each evening.

* ADDITIONAL DETAILS...High tides are expected to peak around 7.1
to 7.3 feet on Tuesday morning. A Beach Hazards Statement may be
issued on future shifts to follow the Coastal Flood Advisory due
to minor tidal overflow from continued elevated tides and surf
into at least Thursday.

Alert: Coastal Flood Advisory
Area(s): Malibu Coast; Los Angeles County Beaches
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Coastal Flood Advisory issued October 12 at 1:04PM PDT until October 13 at 2:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Beach Hazards Statement, dangerous rip currents
and elevated surf are expected. For the Coastal Flood
Advisory, minor to moderate coastal flooding can be expected
near times of high tide.

* WHERE...Malibu Coast and Los Angeles County Beaches.

* WHEN...For the Coastal Flood Advisory, until 2 PM PDT Tuesday.
For the Beach Hazards Statement, through Tuesday afternoon.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at low-lying beach and harbor areas that is
uncommon with normal tidal ranges. Enhanced beach erosion is
possible. The risk for significant damage is very low. There
is an increased risk of ocean drowning. Rip currents can pull
swimmers and surfers out to sea. Waves can wash people off
beaches and rocks, and capsize small boats nearshore. Large
secondary high tides are also expected each evening.

* ADDITIONAL DETAILS...High tides are expected to peak around 7.1
to 7.3 feet on Tuesday morning. A Beach Hazards Statement may be
issued on future shifts to follow the Coastal Flood Advisory due
to minor tidal overflow from continued elevated tides and surf
into at least Thursday.

Alert: High Surf Advisory
Area(s): San Luis Obispo County Beaches; Santa Barbara County Central Coast Beaches
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 12:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 12:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: High Surf Advisory issued October 12 at 1:04PM PDT until October 12 at 10:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Coastal Flood Advisory, minor to moderate
coastal flooding can be expected near times of high tide. For
the High Surf Advisory, large breaking waves of 8 to 12 feet
is expected with dangerous rip currents.

* WHERE...San Luis Obispo County Beaches and Santa Barbara
County Central Coast Beaches.

* WHEN...Until 10 PM PDT this evening.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at beach and harbor areas that is uncommon with
normal tidal ranges. Low lying areas will be most susceptible,
including Oceano. Enhanced beach erosion is likely. The risk for
significant damage is very low. There is an increased risk of
ocean drowning. Rip currents can pull swimmers and surfers out
to sea. Waves can wash people off beaches and rocks, and capsize
small boats nearshore. Large secondary high tides are also
expected each evening.

Alert: Beach Hazards Statement
Area(s): Malibu Coast; Los Angeles County Beaches
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Beach Hazards Statement issued October 12 at 1:04PM PDT until October 13 at 5:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Beach Hazards Statement, dangerous rip currents
and elevated surf are expected. For the Coastal Flood
Advisory, minor to moderate coastal flooding can be expected
near times of high tide.

* WHERE...Malibu Coast and Los Angeles County Beaches.

* WHEN...For the Coastal Flood Advisory, until 2 PM PDT Tuesday.
For the Beach Hazards Statement, through Tuesday afternoon.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at low-lying beach and harbor areas that is
uncommon with normal tidal ranges. Enhanced beach erosion is
possible. The risk for significant damage is very low. There
is an increased risk of ocean drowning. Rip currents can pull
swimmers and surfers out to sea. Waves can wash people off
beaches and rocks, and capsize small boats nearshore. Large
secondary high tides are also expected each evening.

* ADDITIONAL DETAILS...High tides are expected to peak around 7.1
to 7.3 feet on Tuesday morning. A Beach Hazards Statement may be
issued on future shifts to follow the Coastal Flood Advisory due
to minor tidal overflow from continued elevated tides and surf
into at least Thursday.

Alert: Beach Hazards Statement
Area(s): Ventura County Beaches
Effective: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-12 @ 3:04 pm -> 2026-10-13 @ 7:00 pm
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Los Angeles/Oxnard CA on 2026-10-12 @ 3:04 pm
Headline: Beach Hazards Statement issued October 12 at 1:04PM PDT until October 13 at 5:00PM PDT by NWS Los Angeles/Oxnard CA
Description: * WHAT...For the Beach Hazards Statement, dangerous rip currents
and elevated surf are expected. For the Coastal Flood
Advisory, minor to moderate coastal flooding can be expected
near times of high tide.

* WHERE...Ventura County Beaches.

* WHEN...For the Coastal Flood Advisory, until 2 PM PDT Tuesday.
For the Beach Hazards Statement, through Tuesday afternoon.

* IMPACTS...Minor to moderate flooding of sea water is likely
around high tide at low-lying beach and harbor areas that is
uncommon with normal tidal ranges. Enhanced beach erosion is
possible. The risk for significant damage is very low. There
is an increased risk of ocean drowning. Rip currents can pull
swimmers and surfers out to sea. Waves can wash people off
beaches and rocks, and capsize small boats nearshore. Large
secondary high tides are also expected each evening.

* ADDITIONAL DETAILS...High tides are expected to peak around 7.1
to 7.3 feet on Tuesday morning.

Alert: Frost Advisory
Area(s): Northern Coastal Humboldt; Southwestern Humboldt; Southeastern Interior Humboldt; Coastal Mendocino; Western Lake
Effective: 2026-10-12 @ 2:47 pm -> 2026-10-12 @ 11:00 pm
Onset: 2026-10-13 @ 3:00 am -> 2026-10-13 @ 10:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-10-12 @ 2:47 pm
Headline: Frost Advisory issued October 12 at 12:47PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA
Description: * WHAT...Temperatures as low as 33 can result in frost formation.

* WHERE...Humboldt Coast, Southeastern Interior Humboldt, Coastal
Mendocino, and Western Lake.

* WHEN...From 1 AM to 8 AM PDT Tuesday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

Alert: Frost Advisory
Area(s): Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: 2026-10-12 @ 2:47 pm -> 2026-10-12 @ 11:00 pm
Onset: 2026-10-13 @ 3:00 am -> 2026-10-13 @ 10:00 am
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-10-12 @ 2:47 pm
Headline: Frost Advisory issued October 12 at 12:47PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA
Description: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as
29 expected. For the Frost Advisory, temperatures as low as 34 will
result in frost formation.

* WHERE...Trinity County, Northern Mendocino Interior, and Northern
Lake.

* WHEN...From 1 AM to 8 AM PDT Tuesday.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

Alert: Freeze Warning
Area(s): Southern Trinity; Northwestern Interior Mendocino; Northeastern Interior Mendocino; Northern Lake; Northwestern and Central Trinity; Northeastern Trinity
Effective: 2026-10-12 @ 2:47 pm -> 2026-10-12 @ 11:00 pm
Onset: 2026-10-13 @ 3:00 am -> 2026-10-13 @ 10:00 am
Severity: Severe
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-10-12 @ 2:47 pm
Headline: Freeze Warning issued October 12 at 12:47PM PDT until October 13 at 8:00AM PDT by NWS Eureka CA
Description: * WHAT...For the Freeze Warning, sub-freezing temperatures as low as
29 expected. For the Frost Advisory, temperatures as low as 34 will
result in frost formation.

* WHERE...Trinity County, Northern Mendocino Interior, and Northern
Lake.

* WHEN...From 1 AM to 8 AM PDT Tuesday.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing. Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.

Alert: Freeze Watch
Area(s): Owens Valley North
Effective: 2026-10-12 @ 1:53 pm -> 2026-10-13 @ 2:00 am
Onset: 2026-10-14 @ 2:00 am -> 2026-10-14 @ 12:00 pm
Severity: Severe
Certainty: Possible
Urgency: Future
Issued By: NWS Las Vegas NV on 2026-10-12 @ 1:53 pm
Headline: Freeze Watch issued October 12 at 11:53AM PDT until October 14 at 10:00AM PDT by NWS Las Vegas NV
Description: * WHAT...Sub-freezing temperatures as low as 30 possible.

* WHERE...Northern Owens Valley.

* WHEN...Cancelled for Monday Night into Tuesday Morning... Reissued
for Tuesday Night into Wednesday Morning.

* IMPACTS...Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.

* ADDITIONAL DETAILS...Increased cloud cover will remain persistent
through the start of the overnight period tonight along with
elevated gusty winds ahead of an incoming cold front. As a result,
temperatures in the northern Owens Valley are likely to remain
above-freezing tonight. The Freeze Watch has been pushed back to
Tuesday night into Wednesday morning, when winds will be lighter
and skies will be clear.

Alert: Coastal Flood Advisory
Area(s): San Diego County Coastal Areas; Orange County Coastal
Effective: 2026-10-12 @ 1:41 pm -> 2026-10-13 @ 12:15 am
Onset: 2026-10-12 @ 1:41 pm -> 2026-10-13 @ 4:00 pm
Severity: Minor
Certainty: Likely
Urgency: Expected
Issued By: NWS San Diego CA on 2026-10-12 @ 1:41 pm
Headline: Coastal Flood Advisory issued October 12 at 11:41AM PDT until October 13 at 2:00PM PDT by NWS San Diego CA
Description: * WHAT...Minor coastal flooding due to morning high tides around 7
feet in combination with surf 3-6 feet, with local sets to 7
feet.

* WHERE...San Diego County Coastal Areas and Orange County
Coastal Areas.

* WHEN...Until 2 PM PDT Tuesday.

* IMPACTS...Flooding of lots, parks, and roads during morning
high tides with only isolated road closures expected.

* ADDITIONAL DETAILS...Highest high tide will occur between 10 AM
and 11 AM Tuesday. High tide will fall below 7 ft by Wednesday
and below 6.5 ft after Thursday's highest high tide.

Alert: Beach Hazards Statement
Area(s): Coastal Del Norte; Northern Coastal Humboldt; Southwestern Humboldt; Coastal Mendocino
Effective: 2026-10-12 @ 5:02 am -> 2026-10-13 @ 12:00 am
Onset: 2026-10-12 @ 5:02 am -> 2026-10-13 @ 12:00 am
Severity: Moderate
Certainty: Likely
Urgency: Expected
Issued By: NWS Eureka CA on 2026-10-12 @ 5:02 am
Headline: Beach Hazards Statement issued October 12 at 3:02AM PDT until October 12 at 10:00PM PDT by NWS Eureka CA
Description: * WHAT...A very long period westerly swell will increase the
threat of sneaker waves.

* WHERE...Coastal Del Norte, Northern Coastal Humboldt,
Southwestern Humboldt and Coastal Mendocino Counties.

* WHEN...Through this evening. The risk will increase as winds
weaken.

* IMPACTS...Large, unexpected waves can sweep across the beach
without warning, sweeping people into the sea from rocks,
jetties, and beaches. These sneaker waves can also move large
objects such as logs, crushing anyone caught underneath.

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